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Stormwater management

The stormwater treatment standard for state highway infrastructure (May 2010) and background reports.

Stormwater management

The stormwater treatment standard for state highway infrastructure was first published in May 2010. The standard will assist roading practitioners with the selection and design of roading stormwater management practices. This is accompanied by the value for money report on the standard and the standard review reports of six regional planner nominated projects and Wellington City Council's Westchester Drive project.

The Auckland Motorway Alliance has undertaken strategic initiative research on a number of stormwater management assets. The reports from this research are now available to be downloaded below.

The Transport Agency has undertaken a study to test whether the macroinvertebrate community index could be used to assess the long-term impacts of stormwater run-off from the state highway network on water quality in New Zealand streams. An information sheet on the project provides a brief summary and is posted below with the final report.

The NZ Transport Agency is also a member of the Road Controlling Authorities Forum Stormwater Working Group.(external link)

For further information please contact Carol Bannock.

Download manual section

TitleDateDownload
Stormwater Treatment Standard for State Highway Infrastructure (May 2010) 13 May 2010 PDF [PDF, 15 MB] (283 pages)
Forms for use during and post-construction 13 May 2010 PDF [PDF, 6.6 MB] (48 pages)
Value for Money Report 15 Apr 2009 PDF [PDF, 51 KB] (11 pages)
Christchurch Southern Motorway - Phase 1 21 Jan 2009 PDF [PDF, 2.9 MB] (40 pages)
Christchurch Southern Motorway - Phase 2 20 Jan 2009 PDF [PDF, 5.2 MB] (55 pages)
Avalon Drive Bypass - Phase 1 28 May 2008 PDF [PDF, 4.1 MB] (17 pages)
Avalon Drive Bypass - Phase 2 21 Nov 2008 PDF [PDF, 4.6 MB] (25 pages)
ALPURT Sectors A2 and B1 - Phase 1 07 Jul 2008 PDF [PDF, 1.2 MB] (30 pages)
ALPURT Sectors A2 and B1 - Phase 2 21 Nov 2008 PDF [PDF, 974 KB] (40 pages)
SH20 Mount Roskill - Phase 1 22 Jan 2009 PDF [PDF, 3.6 MB] (15 pages)
SH20 Mount Roskill - Phase 2 20 Jan 2009 PDF [PDF, 8.3 MB] (18 pages)
SH2 Dowse to Petone - Phase 1 20 Jan 2009 PDF [PDF, 2.3 MB] (17 pages)
SH2 Dowse to Petone - Phase 2 31 Oct 2008 PDF [PDF, 3.6 MB] (24 pages)
SH18 Greenhithe Deviation - Phase 2 20 Jan 2009 PDF [PDF, 1.2 MB] (25 pages)
Sensitive Receiving Environments 05 Dec 2008 PDF [PDF, 522 KB] (20 pages)
Wellington City Council Westchester Drive 26 May 2009 PDF [PDF, 8.8 MB] (69 pages)

Auckland motorways reports

TitleDateDownload
Road Derived Sediments (RDS) and Vegetative Material Reuse feasibility study 9 Nov 2010 PDF [PDF, 2.1 MB] (93 pages)
Sediment Accumulation Monitoring Techniques 8 Nov 2010 PDF [PDF, 4.8 MB] (35 pages)
Stormwater Swale Planting Improvements - 2011 9 Jan 2011 PDF [PDF, 4.7 MB] (52 pages)

State highway stormwater sensitivity project

TitleDateDownload
Information Sheet 17 Jan 2012 PDF [PDF, 103 KB] (1 page)
Assessing Impacts of State Highway Stormwater Runoff on Stream Invertebrate Communities Oct 2012 PDF [PDF, 4.8 MB] (78 pages)

 

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